Hear Only What You Want: Whether you're at home or out and about, background sounds such as ambient noise, and other people talking can make having a clear-sounding conversation difficult. This USB headset with advanced noise cancellation technology brings superior audio enhancements and noise suppression to the near and far end, this delivers the best possible call quality. Breathable & Sweat-free: This Computer headphones are made from artificial leather, which is fulfilled in ear-cushions and the top of the headband. There are many mini holes on the surface of the earmuff for breathing, you can wear it in summer without the sweat. It is comfortable enough on your calls, especially for Telephone-intensive users, including formal customer care centers, help desks, telesales, and customer service organizations. Meet Your Match: In today's workplace, employees need to manage calls on PC, mobile devices, and desk phones. This 2 in 1 headset with microphone provides USB and 3.5 mm jack connectivity, enables employees to work on multiple devices. Compatible with Windows 2000/7/8/10/XP/Vista, Mac OS X, iOS, Android, Tablet PC. Note: Please choose the USB connection if you wanna mute. Hear Yourselves: These USB PC Headphones support listening to your own voice. Please do the following steps on Windows: Control Panel--Sound--Recording--Microphone--Listen--Listen to this device--Playback through this device--Speaker. Friendly Notes: Please adjust your computer or cell phone's volume when you still can't hear clearly even you've reached the highest volume on our cell phone headsets.